feat(web): 文档查询意图补充风险过滤与 X 天前范围

- aiDocumentQueryIntent 新增风险等级过滤（无/高/中/低/有风险）与 N 天前日期范围解析
- aiDocumentQueryModel/aiConversationHtmlRenderer 渲染适配风险过滤标签
- useWorkbenchAiDocumentQueryFlow/aiWorkbenchConversationStore 会话流转适配命令意图
- 更新 ai-document-query-model/ai-conversation-html-renderer/assistant-session-draft-delete 测试

web/tests/ai-conversation-html-renderer.test.mjs

@@ -115,6 +115,15 @@ test('AI conversation renderer renders document detail action links as buttons',
   assert.doesNotMatch(rendered, /target="_blank"[\s\S]{0,120}#ai-open-document-detail/)
 })
 
+test('AI conversation renderer renders deleted document detail actions as disabled buttons', () => {
+  const rendered = renderAiConversationHtml('[单据已删除](#ai-deleted-document-detail:claim-deleted-1)')
+
+  assert.match(rendered, /class="ai-html-action-link ai-html-action-link-document is-disabled"/)
+  assert.match(rendered, /aria-disabled="true"/)
+  assert.match(rendered, /data-ai-action="deleted-document-detail"/)
+  assert.doesNotMatch(rendered, /href="#ai-deleted-document-detail/)
+})
+
 test('AI conversation renderer renders images as html and rejects unsafe image sources', () => {
   const rendered = renderAiConversationHtml([
     '### 图片材料',